Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q170 Processors: Intel 6th generation Core i5-i7 Quad Core, Core i3 Dual Core Memory Support: Four (4) DIMM slots , Up to 32 GB DDR4 Hard Drive : Up to 2 TB SATA, 7200rpm or SSD (optional) Removable Media : DVD-ROM/ DVD-ReWritable Expansion Bays : External: One (1) 5.25-inch, Internal: One (1) 3.5-inch Expansion Slots : One (1) PCIe x 4 HH, One (1) PCIe x 16 HH, One (1) M.2 3388 Graphics : Integrated Intel HD Graphics 530 Audio : Integrated Audio Communications : Integrated Intel i219-LM GbE Network Connection I/O Ports : Front: Two (2) USB 2.0, Two (2) USB 3.0, Cardreader (optional), Audio I/O Rear: Four(4) USB 3.0, Two (2) USB 2.0,Two (2) DP, HDMI, VGA(optional), Serial, RJ-45, Audio I/O, PS/2 Input Devices : Standard Keyboard, Mouse (USB or PS/2) Power : 240 W Dimensions : 29.2 x 29 x 9.26 cm Weight : 4.48 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q270 Processors: Intel Core i3/ i5 / i7 6th & 7th Gen Memory Support: Two (2)SODIMM slots ,32 GB dual channel DDR4 2133 MHz Speaker: Internal speaker amplifier, single 4-ohms speakers Display: 23.8" IPS Wide Viewing Angle WLED, Full HD 1920x 1080 resolution and Ultra HD (4K) 3840 x 2160 resolution with anti-glare coating. Hard Drive: one 2.5-inch SATA or SSD or one M.2 SSD Removable Media: DVD+/-RW and DVD/ROM Optical Disc Drives (optional), SD4.0 Media Card Reader (standard) Graphics: Integrated Intel HD 630/610/530/510 Audio: Intel High Definition Audio with Waves MaxxVoice Pro Communications: I219-LM Ethernet LAN 10/100/1000 I/O Ports: USB 3.1 Gen 1 x 2 (one with Type-C) USB 3.1 Gen 1 x 4 (rear)/ USB2.0 x 2 (rear), HDMI 1.4 Out (rear), HDMI 1.4 In(rear, DisplayPort 1.2 Out (rear), Audio I/O (side), Audio Line-Out (rear), RJ-45 (rear) Input Devices: Standard Keyboard, Mouse (USB) Power: 80 PLUS internal Power Supply Unit Dimensions: 39.3 x 57.5 x 6.4 cm Weight: 7.1 Kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q370 Processors: Intel Core i3, i5 9th Gen Memory Support: 16 GB (1 module(s) 16 GB) DDR4, unbuffered, non-ECC, 2,666 MT/s, UDIMM Hard Drive: HDD, SSD or SSD M2 Removable Media: Optional Expansion Bays: 1 x 2.5-inch bays, 1 x 3.5-inch internal bays, 1 x 5.25-inch external bays Expansion Slots: PCI-Express 3.0 x4 (mech. x16) , PCI-Express 3.0 x16 Graphics: Intel HD Graphics 630 Audio: Realtek ALC671 Communications: Gigabit Ethernet I/O Ports: 6 x USB 2.0, 4 x USB 3.1 Gen1, line-in, line-out, microphone, headphone, DisplayPort, DVI-D, RJ-45, Power: 210W or 280W Dimensions: 313 x 286 x 89 mm Weight: 5 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Display Size : 12.0" Display Max Resolution : 2160 x 1440 Chipset : Integrated with processor Processors : Intel Core i5 7th Gen Ram Memory : 8 GB DDR4 Hard Disk Drive : SSD Graphics : Intel HD Graphics 620 Network Adapter : 1 Gigabit Ethernet WiFi : Yes Web Camera : Optional Optical Disc Drive : N/A USB : 3 x USB-A 3.0, 1 x USB Type-C, Ports : LAN, HDMI, VGA, Headset, Cardreader Power Supply Adapter : N/A Dimensions : 288.5 × 223.7 × 22 mm Weight : Approx. 1.18 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : Intel Q170 Processors : Intel 6th generation Core i7, i5, i3, Pentium G Memory Support : Four (4) DIMM slots , Up to 64 GB DDR4 2133 MHz SDRAM  Hard Drive : SATA III HDD or SSD, M.2 SSD Removable Media : optional Expansion Bays : One (1) 5.25-inch for slim optical disc drive only, One (1) internal 3.5-inch, One (1) external 3.5-inch Expansion Slots : One (1) LP PCI-e 3.0 x16, One (1) LP PCI-e 2.0 x 4 (mech. x16), Two (2) LP PCI-e x 1 Graphics : Intel HD Graphics Audio : Realtek ALC671 Communications : 10/100/1,000 MBit/s Intel I219LM I/O Ports : Audio I/O, microphone, headphone, 2 x DisplayPort, DVI-D, RJ-45, front 2 x USB 2.0, 2 x USB 3.0, rear 2 x USB 2.0, 4 x USB 3.0, 2 x USB 2.0 Power : 280 watts Dimensions : 332 x 338 x 89 mm Weight : 8 kg

Operating System: Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset: Intel Q270 Processors: Intel 6th & 7th Generation Core i3, i5, i7 Processors, Pentium G Memory Support: (2) SODIMM slots enabling up to 32GB DDR4-2400, dual channel memory support Speaker: Bang & Olufsen Audio Display: 24" diagonal IPS widescreen LED anti-glare backlit LCD (1920 x 1080). Hard Drive: SATA HDD or SSD, PCIe NMVe TLC SSD drives Removable Media: Slim DVD-ROM drive or Slim SuperMulti DVD writer drive Graphics: Integrated Intel HD Graphics Audio: Conexant CX5001 Codec Communications: Intel I219LM Gigabit Network Connection LOM I/O Ports: Integrated 2 MP webcam 1920 x 1080 pixels; (6) USB 3.1 Gen 1: (2) side; (4) rear; (1) USB Type-C 3.1 Gen1, (1) side; (1) DisplayPort with multi-stream; (1) HDMI; (1) RJ-45 Ethernet port Input Devices: Standard Keyboard, Mouse (USB) Power: 180 W active PFC Dimensions: 538.48 x 180.34 x 467.36 mm Weight: 8.73 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset : N/A Processors : Intel Core i3, i5, i7 8th & 9th Gen Memory Support : DDR4-2666MHz Memory, 2 x SODIMM Hard Drive : 2.5" HDD/SSD SATA or PCIe add-on cards Removable Media : N/A Expansion Bays : One (1) 12.7mm high tray-in, One (1) 2.5 inch bay Expansion Slots : 1 x M.2 SSD or Intel® Optane, 1 x M.2 WiFi Graphics : Intel Integrated Graphics 630 Audio : N/A Communications : Gigabit ethernet port I/O Ports : Front: 1 x USB 3.1, 1 x USB Type-C, Audio I/O, Rear: 4 x USB 3.1, Audio I/O, HDMI, DisplayPort, RJ-45 Power : 65W Dimensions : 179 mm x 36.5 mm x 182.9 mm Weight : Starting from 1.32 kg

Operating System : Windows 10 Home & Pro MAR, Ubuntu Linux, Free DOS Chipset :Intel PCH C236 Processors :Core i3/i5/i7-6xxx processors, Xeon E3 processors Memory Support :4 DDR4 memory slots, DDR4, Max 64 GB Hard Drive :SATA or SSD Removable Media : N/A Expansion Bays : 1 shared internal/external 3.5" bay, 1 internal 3.5" bay, 1 internal 2.5" bay (for SSD only) Expansion Slots : 1 PCIe Gen3 x16, 1 PCIe Gen3 x4 (x4 connector), 1 PCIe Gen3 x4 (x16 connector), 1 PCIe Gen3 x1, 1 PCI (optional), 1 M.2 PCIe Gen3 x4 Graphics : Intel Integrated Graphics for Xeon processors Audio : Integrated Realtek HD ALC221-VB audio Communications : Integrated Intel I219LM PCIe GbE I/O Ports :Front: 2 USB 3.0, 2 USB 2.0 (1 charging), 1 headphone; 1 microphone, Back: 4 USB 3.0, 2 USB 2.0, 2 DisplayPort 1.2,1 DVI-I single link, 1 serial (optional); 1 parallel (optional), 2 PS/2; 1 RJ-45; 1 audio line-in; 1 audio line-out Power :400 W 92% efficient, wide-ranging, active PFC, 280 W 90% efficient, wide-ranging, active PFC Dimensions : 170 x 442 x 399 mm Weight :Starting at 8.6 kg